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1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <stdio.h> | |
22 | #include <string.h> | |
23 | #include <check.h> | |
24 | #include "../libsigrok.h" | |
25 | ||
26 | /* Get a libsigrok driver by name. */ | |
27 | struct sr_dev_driver *srtest_driver_get(const char *drivername) | |
28 | { | |
29 | struct sr_dev_driver **drivers, *driver = NULL; | |
30 | int i; | |
31 | ||
32 | drivers = sr_driver_list(); | |
33 | fail_unless(drivers != NULL, "No drivers found."); | |
34 | ||
35 | for (i = 0; drivers[i]; i++) { | |
36 | if (strcmp(drivers[i]->name, drivername)) | |
37 | continue; | |
38 | driver = drivers[i]; | |
39 | } | |
40 | fail_unless(driver != NULL, "Driver '%s' not found.", drivername); | |
41 | ||
42 | return driver; | |
43 | } | |
44 | ||
45 | /* Initialize a libsigrok driver. */ | |
46 | void srtest_driver_init(struct sr_context *sr_ctx, struct sr_dev_driver *driver) | |
47 | { | |
48 | int ret; | |
49 | ||
50 | ret = sr_driver_init(sr_ctx, driver); | |
51 | fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.", | |
52 | driver->name, ret); | |
53 | } | |
54 | ||
55 | /* Initialize all libsigrok drivers. */ | |
56 | void srtest_driver_init_all(struct sr_context *sr_ctx) | |
57 | { | |
58 | struct sr_dev_driver **drivers, *driver; | |
59 | int i, ret; | |
60 | ||
61 | drivers = sr_driver_list(); | |
62 | fail_unless(drivers != NULL, "No drivers found."); | |
63 | ||
64 | for (i = 0; drivers[i]; i++) { | |
65 | driver = drivers[i]; | |
66 | ret = sr_driver_init(sr_ctx, driver); | |
67 | fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.", | |
68 | driver->name, ret); | |
69 | } | |
70 | } | |
71 | ||
72 | /* Set the samplerate for the respective driver to the specified value. */ | |
73 | void srtest_set_samplerate(struct sr_dev_driver *driver, uint64_t samplerate) | |
74 | { | |
75 | int ret; | |
76 | struct sr_dev_inst *sdi; | |
77 | ||
78 | sdi = g_slist_nth_data(driver->priv, 0); | |
79 | ||
80 | ret = driver->config_set(SR_CONF_SAMPLERATE, &samplerate, sdi); | |
81 | fail_unless(ret == SR_OK, "%s: Failed to set SR_CONF_SAMPLERATE: %d.", | |
82 | driver->name, ret); | |
83 | } | |
84 | ||
85 | /* Get the respective driver's current samplerate. */ | |
86 | uint64_t srtest_get_samplerate(struct sr_dev_driver *driver) | |
87 | { | |
88 | int ret; | |
89 | uint64_t *samplerate; | |
90 | struct sr_dev_inst *sdi; | |
91 | ||
92 | sdi = g_slist_nth_data(driver->priv, 0); | |
93 | ||
94 | ret = driver->config_get(SR_CONF_SAMPLERATE, | |
95 | (const void **)&samplerate, sdi); | |
96 | fail_unless(ret == SR_OK, "%s: Failed to get SR_CONF_SAMPLERATE: %d.", | |
97 | driver->name, ret); | |
98 | fail_unless(samplerate != NULL); | |
99 | ||
100 | return *samplerate; | |
101 | } | |
102 | ||
103 | /* Check whether the respective driver can set/get the correct samplerate. */ | |
104 | void srtest_check_samplerate(struct sr_context *sr_ctx, const char *drivername, | |
105 | uint64_t samplerate) | |
106 | { | |
107 | struct sr_dev_driver *driver; | |
108 | uint64_t s; | |
109 | ||
110 | driver = srtest_driver_get(drivername); | |
111 | srtest_driver_init(sr_ctx, driver);; | |
112 | srtest_set_samplerate(driver, samplerate); | |
113 | s = srtest_get_samplerate(driver); | |
114 | fail_unless(s == samplerate, "%s: Incorrect samplerate: %" PRIu64 ".", | |
115 | drivername, s); | |
116 | } |